In business writing, the main idea of a written work should be located
a. at the end of the first paragraph
b. in the body of the document
c. at the beginning of the first paragraph
d. in the salutation of the document

  C. At the beginning of the first paragraph.

Explanation:

   The goal of business writing is to transmit information to the reader. In order to do this, you must use clear language to make your point. Business writings could be emails, memorandums, reports.

  Business writing seeks to achieve a specific purpose that is to sell or buy products or merchandise.

  Because of this you should locate the main idea at the beginning of the first paragraph to make it clear what do you want.

  I hope this answer helps you.

The correct answer is C

the correct answer is "dissent"

explanation:

because dissent is when one or more judges express disagreement with the majority in court, in specific legal systems.   an   argument in opposition is presented to the court, with a different interpretation, or application.

the answer would be, she updates her online profiles regularly and participates in work-related online discussions.